# from django.shortcuts import render
#
# # Create your views here.
# from django.http import HttpResponse, HttpResponseRedirect
# from .models import Question, Choice
# from django.template import loader
# from django.shortcuts import render, get_object_or_404
# from django.http import Http404
# from django.urls import reverse
#
#
#
#
# def index(request):
#     # return HttpResponse('hello you are at the polls index')
#     latest_question_list = Question.objects.order_by('-pub_date')[:5]
#     # output = ', '.join([q.question_text for q in latest_question_list])
#     # return HttpResponse(output)
#     # template = loader.get_template('polls/index.html')
#     context = {
#         'latest_question_list': latest_question_list,
#     }
#     # return HttpResponse(template.render(context, request))
#     return render(request, 'polls/index.html', context)
#
#
#
# def detail(request, question_id):
#     # return HttpResponse(' you are looking at question %s' % question_id)
#     try:
#         question = Question.objects.get(pk=question_id)
#     except Question.DoesNotExist:
#         raise Http404('Question does not exist')
#     return render(request, 'polls/detail.html', {'question':question})
#
#
#
#
# def results(request, question_id):
#     # response = ' you are looking at the results of question %s'
#     # return HttpResponse(response % question_id)
#     question = get_object_or_404(Question, pk=question_id)
#     return render(request, 'polls/results.html', {'question': question})
#
#
# def vote(request, question_id):
#     # return HttpResponse('you are voting on question %s' % question_id)
#     question = get_object_or_404(Question, pk=question_id)
#     try:
#         select_choice = question.choice_set.get(pk = request.POST['choice'])
#     except (KeyError, Choice.DoesNotExist):
#         return render(request, 'polls/detail.html', {
#             'question': question,
#             'error_message': "you did not select a choice",
#         })
#     else:
#         select_choice.votes += 1
#         select_choice.save()
#     return HttpResponseRedirect(reverse('polls:results', args=(question_id,)))
#




from django.http import HttpResponse
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.views import generic
from django.http import HttpResponse, HttpResponseRedirect
#

from .models import Choice, Question


class IndexView(generic.ListView):
    template_name = 'polls/index.html'
    context_object_name = 'latest_question_list'

    def get_queryset(self):
        return Question.objects.order_by('-pub_date')[:5]


class DetailView(generic.DetailView):
    model = Question
    template_name = 'polls/detail.html'


class ResultsView(generic.DetailView):
    model = Question
    template_name = 'polls/results.html'

def vote(request, question_id):
    # return HttpResponse('you are voting on question %s' % question_id)
    question = get_object_or_404(Question, pk=question_id)
    try:
        select_choice = question.choice_set.get(pk = request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        return render(request, 'polls/detail.html', {
            'question': question,
            'error_message': "you did not select a choice",
        })
    else:
        select_choice.votes += 1
        select_choice.save()
    return HttpResponseRedirect(reverse('polls:results', args=(question_id,)))






















